Tundra swans (Cygnus columbianus), Tule Lake National Wildlife Refuge, California, USA
Tundra swans (Cygnus columbianus), Tule Lake National Wildlife Refuge, California, USA
Harbor seals (Phoca vitulina) on offshore rock in coastal fog, Trinidad Bay, Trinidad, California, USA
Harbor seals (Phoca vitulina) on offshore rock in coastal fog, Trinidad Bay, Trinidad, California, USA
Brown pelicans (Pelecanus occidentalis) on offshore rock watch kayaker, Trinidad Bay, Trinidad, California, USA
Brown pelicans (Pelecanus occidentalis) on offshore rock watch kayaker, Trinidad Bay, Trinidad, California, USA
Brown Pelicans (Pelecanus occidentalis) in flight at sunset, East Anacapa Island, Channel Islands National Park, California, USA
Brown Pelicans (Pelecanus occidentalis) in flight at sunset, East Anacapa Island, Channel Islands National Park, California, USA
California ground squirrel (Otospermophilus beecheyi), Tule Lake National Wildlife Refuge, California, USA
California ground squirrel (Otospermophilus beecheyi), Tule Lake National Wildlife Refuge, California, USA
Boreal toad (Anaxyrus boreas boreas), Ossagon Trail, Prairie Creek Redwood State Park, California, USA
Boreal toad (Anaxyrus boreas boreas), Ossagon Trail, Prairie Creek Redwood State Park, California, USA
American bison (Bison bison), Grand Teton National Park, Wyoming, USA
American bison (Bison bison), Grand Teton National Park, Wyoming, USA
Gumboot chiton (Cryptochiton stelleri) in tide pool, Martin Creek Beach intertidal area, Trinidad, California, USA
Gumboot chiton (Cryptochiton stelleri) in tide pool, Martin Creek Beach intertidal area, Trinidad, California, USA
Western fence lizard (Sceloporus occidentalis), Bureau of Land Management, Eastern Oregon, USA
Western fence lizard (Sceloporus occidentalis), Bureau of Land Management, Eastern Oregon, USA
Black-tailed Prairie Dog (Cynomys ludovicianus), Devil’s Tower National Monument, Wyoming, USA
Black-tailed Prairie Dog (Cynomys ludovicianus), Devil’s Tower National Monument, Wyoming, USA
Green-winged macaw (Ara chloropterus) closeup profile, National Aviary, Pennsylvania, USA
Green-winged macaw (Ara chloropterus) closeup profile, National Aviary, Pennsylvania, USA
Rough-skinned Newt (Taricha granulosa), Lookout Creek Trail, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Rough-skinned Newt (Taricha granulosa), Lookout Creek Trail, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Wild horses (Equus ferus caballus), Pilot Butte Wild Horse Scenic Tour, BLM, Wyoming, USA
Wild horses (Equus ferus caballus), Pilot Butte Wild Horse Scenic Tour, BLM, Wyoming, USA
California mussel (Mytilus californianus), Martin Creek Beach intertidal area, Trinidad, California, USA
California mussel (Mytilus californianus), Martin Creek Beach intertidal area, Trinidad, California, USA
Sunflower sea star starfish (Pycnopodia helianthoides), Martin Creek Beach intertidal area, Trinidad, California, USA
Sunflower sea star starfish (Pycnopodia helianthoides), Martin Creek Beach intertidal area, Trinidad, California, USA
Pronghorn (Antilocapra americana), National Bison Range, Montana, USA
Pronghorn (Antilocapra americana), National Bison Range, Montana, USA
Flock of Snow Geese (Chen caerulescens) in flight over shallow water lake wetland ecosystem, Lower Klamath National Wildlife Refuge, California, USA
Flock of Snow Geese (Chen caerulescens) in flight over shallow water lake wetland ecosystem, Lower Klamath National Wildlife Refuge, California, USA
Intertidal jelly, Martin Creek Beach intertidal area, Trinidad, California, USA
Intertidal jelly, Martin Creek Beach intertidal area, Trinidad, California, USA
Banana slug (Ariolimax columbianus), Patrick’s Point State Park, California, USA
Banana slug (Ariolimax columbianus), Patrick’s Point State Park, California, USA
Pronghorn (Antilocapra americana), National Bison Range, Montana, USA
Pronghorn (Antilocapra americana), National Bison Range, Montana, USA
Raccoons (Procyon lotor), Lower Klamath National Wildlife Refuge, California, USA
Raccoons (Procyon lotor), Lower Klamath National Wildlife Refuge, California, USA
Hoverfly (Melanostoma mellinum) on Columbia windflower, Lookout Creek Trail, HJ Andrews Forest, Oregon, USA
Hoverfly (Melanostoma mellinum) on Columbia windflower, Lookout Creek Trail, HJ Andrews Forest, Oregon, USA
American dipper (Cinclus mexicanus) foraging in rocky stream, Lookout Creek, H.J. Andrews Experimental Forest, Oregon, USA
American dipper (Cinclus mexicanus) foraging in rocky stream, Lookout Creek, H.J. Andrews Experimental Forest, Oregon, USA
Mountain chickadee (Poecile gambeli), Fort Klamath, Oregon, USA
Mountain chickadee (Poecile gambeli), Fort Klamath, Oregon, USA
Western fence lizard (Sceloporus occidentalis), Bureau of Land Management, Eastern Oregon, USA
Western fence lizard (Sceloporus occidentalis), Bureau of Land Management, Eastern Oregon, USA
Callipe hummingbird (Selasphorus calliope) in flight gathering nectar from flowering Crimson columbine wildflower in full bloom, Wood River Valley, Fort Klamath, Oregon, USA
Callipe hummingbird (Selasphorus calliope) in flight gathering nectar from flowering Crimson columbine wildflower in full bloom, Wood River Valley, Fort Klamath, Oregon, USA
American black bear (Ursus americanus) in talus slope with fall colored vine maple, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
American black bear (Ursus americanus) in talus slope with fall colored vine maple, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Goose barnacles (white) and California mussels (blue), Martin Creek Beach intertidal area, Trinidad, California, USA
Goose barnacles (white) and California mussels (blue), Martin Creek Beach intertidal area, Trinidad, California, USA
California sea lion (Zalophus californianus) and Stellars sea lion (Eumetopias jubatus) on buoy, Depoe Bay, Oregon, USA
California sea lion (Zalophus californianus) and Stellars sea lion (Eumetopias jubatus) on buoy, Depoe Bay, Oregon, USA
Golden-mantled ground squirrel (Callospermophilus lateralis) overlooking Crater Lake, Sentinel Rock turnout, Crater Lake National Park, Oregon, USA
Golden-mantled ground squirrel (Callospermophilus lateralis) overlooking Crater Lake, Sentinel Rock turnout, Crater Lake National Park, Oregon, USA
Columbian black-tailed deer (Odocoileus hemionus columbianus), Munson Valley, park headquarters trail, Crater Lake National Park, Oregon, USA
Columbian black-tailed deer (Odocoileus hemionus columbianus), Munson Valley, park headquarters trail, Crater Lake National Park, Oregon, USA
Click beetle (Selatosomus suckleyi) on green leaf, Discovery Trail, HJ Andrews Forest, Willamette National Forest, Oregon, USA
Click beetle (Selatosomus suckleyi) on green leaf, Discovery Trail, HJ Andrews Forest, Willamette National Forest, Oregon, USA
American bison (Bison bison) grazing in meadow, Yellowstone National Park, Wyoming, USA
American bison (Bison bison) grazing in meadow, Yellowstone National Park, Wyoming, USA
Western fence lizard (Sceloporus occidentalis), Lava Beds National Monument, California, USA
Western fence lizard (Sceloporus occidentalis), Lava Beds National Monument, California, USA
Black katy chiton (Katharina tunicata) in tidepool, Martin Creek Beach intertidal area, Trinidad, California, USA
Black katy chiton (Katharina tunicata) in tidepool, Martin Creek Beach intertidal area, Trinidad, California, USA
Rough-skinned Newt (Taricha granulosa), William L. Finley National Wildlife Refuge, Oregon, USA
Rough-skinned Newt (Taricha granulosa), William L. Finley National Wildlife Refuge, Oregon, USA
American Bullfrog (Rana catesbeiana) in wetland, Lower Klamath National Wildlife Refuge, California, USA
American Bullfrog (Rana catesbeiana) in wetland, Lower Klamath National Wildlife Refuge, California, USA
Turkey Vulture (Cathartes aura) in flight, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Turkey Vulture (Cathartes aura) in flight, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Harbor seal (Phoca vitulina) in tidal estuary, Bolinas Lagoon, Gulf of the Farallones National Marine Sanctuary, California, USA
Harbor seal (Phoca vitulina) in tidal estuary, Bolinas Lagoon, Gulf of the Farallones National Marine Sanctuary, California, USA
Townsend’s chipmunk (Neotamias townsendii) eating Vine maple seeds, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Townsend’s chipmunk (Neotamias townsendii) eating Vine maple seeds, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Eastern fox squirrel (Sciurus niger) eating tree buds, Hendricks city park, Eugene, Oregon, USA
Eastern fox squirrel (Sciurus niger) eating tree buds, Hendricks city park, Eugene, Oregon, USA
Mountain cottontail (Sylvilagus nuttallii), Tule Lake National Wildlife Refuge, California, USA
Mountain cottontail (Sylvilagus nuttallii), Tule Lake National Wildlife Refuge, California, USA
Yellow-spotted millipede (Harpaphe haydeniana), South Fork Trail, Prairie Creek Redwoods State Park, California, USA
Yellow-spotted millipede (Harpaphe haydeniana), South Fork Trail, Prairie Creek Redwoods State Park, California, USA
Pronghorn (Antilocapra americana), Thunder Basin National Grassland, Wyoming, USA
Pronghorn (Antilocapra americana), Thunder Basin National Grassland, Wyoming, USA
Northern striped dogwingle (Nucella emarginata) marine molluscs, Martin Creek Beach intertidal area, Trinidad, California, USA
Northern striped dogwingle (Nucella emarginata) marine molluscs, Martin Creek Beach intertidal area, Trinidad, California, USA
Yellow-bellied marmot (Marmota flaviventris) on lichen-covered basalt rocks, Gerber Reservoir, BLM, Oregon, USA
Yellow-bellied marmot (Marmota flaviventris) on lichen-covered basalt rocks, Gerber Reservoir, BLM, Oregon, USA
American bison (Bison bison), Grand Teton National Park, Wyoming, USA
American bison (Bison bison), Grand Teton National Park, Wyoming, USA
Northern alligator lizard (Elgaria coerulea), Carpenter Mountain, H.J. Andrews Forest, Oregon, USA
Northern alligator lizard (Elgaria coerulea), Carpenter Mountain, H.J. Andrews Forest, Oregon, USA
Moth on lichen in forest, Lookout Creek Old-growth trail, H.J. Andrews Experimental Forest, Oregon, USA
Moth on lichen in forest, Lookout Creek Old-growth trail, H.J. Andrews Experimental Forest, Oregon, USA
Caterpillar, Willamette Floodplain RNA, William L. FInley National Wildlife Refuge, Oregon, USA
Caterpillar, Willamette Floodplain RNA, William L. FInley National Wildlife Refuge, Oregon, USA
Yellow-bellied marmot (Marmota flaviventris) on lichen-covered basalt rocks, Gerber Reservoir, BLM, Oregon, USA
Yellow-bellied marmot (Marmota flaviventris) on lichen-covered basalt rocks, Gerber Reservoir, BLM, Oregon, USA
Common rock louse marine crustacean (Ligia occidentalis), Martin Creek Beach intertidal area, Trinidad, California, USA
Common rock louse marine crustacean (Ligia occidentalis), Martin Creek Beach intertidal area, Trinidad, California, USA
Great plains toad (Anaxyrus cognatus), American Prairie Reserve, Eastern Montana, USA
Great plains toad (Anaxyrus cognatus), American Prairie Reserve, Eastern Montana, USA
Banana slug (Ariolimax columbianus) on Beargrass, Lookout Creek Trail, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Banana slug (Ariolimax columbianus) on Beargrass, Lookout Creek Trail, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Mule deer (Odocoileus hemionus), Tule Lake National Wildlife Refuge, California, USA
Mule deer (Odocoileus hemionus), Tule Lake National Wildlife Refuge, California, USA
Northern red-legged frog (Rana aurora), Trillium Falls Trail, Redwood National Park, California, USA
Northern red-legged frog (Rana aurora), Trillium Falls Trail, Redwood National Park, California, USA
Ospreys (Pandion haliaetus) nesting on river piling, Pend Oreille River, Washington, USA
Ospreys (Pandion haliaetus) nesting on river piling, Pend Oreille River, Washington, USA
Beetle on flowering Deer brush (Ceanothus integerrimus), Hogback Mtn, Klamath Falls, Oregon, USA
Beetle on flowering Deer brush (Ceanothus integerrimus), Hogback Mtn, Klamath Falls, Oregon, USA
Nearctodesmus salix millipede on red alder, Cathedral Trees Trail, Prairie Creek Redwoods State Park, California, USA
Nearctodesmus salix millipede on red alder, Cathedral Trees Trail, Prairie Creek Redwoods State Park, California, USA
Hoverfly (Platycheirus stegnus) at flowering Crevice alumroot wildflower, Carpenter Mountain, HJ Andrews Forest, Oregon, USA
Hoverfly (Platycheirus stegnus) at flowering Crevice alumroot wildflower, Carpenter Mountain, HJ Andrews Forest, Oregon, USA
Ring-billed gull (Larus delawarensis) on frozen Klamath River in winter, Veteran’s Park, Klamath Falls, Oregon, USA
Ring-billed gull (Larus delawarensis) on frozen Klamath River in winter, Veteran’s Park, Klamath Falls, Oregon, USA
Banded garden spider (Argiope trifasciata) in web wrapping grasshopper, American Prairie Reserve, Montana, USA
Banded garden spider (Argiope trifasciata) in web wrapping grasshopper, American Prairie Reserve, Montana, USA
Rough-skinned Newt (Taricha granulosa) and moss, Sweet Creek Trail, Oregon Coast Range, USA
Rough-skinned Newt (Taricha granulosa) and moss, Sweet Creek Trail, Oregon Coast Range, USA
Hermit crabs, Martin Creek Beach intertidal area, Trinidad, California, USA
Hermit crabs, Martin Creek Beach intertidal area, Trinidad, California, USA
Roosevelt elk (Cervus canadensis roosevelti), Elk Meadow Day Use Area, Redwood National Park, California, USA
Roosevelt elk (Cervus canadensis roosevelti), Elk Meadow Day Use Area, Redwood National Park, California, USA
Giant Green Anemone (Anthopleura xanthogrammica), Martin Creek Beach intertidal area, Trinidad, California, USA
Giant Green Anemone (Anthopleura xanthogrammica), Martin Creek Beach intertidal area, Trinidad, California, USA
Western rattlesnake (Crotalus viridis) coiled on path, Little Bighorn Battlefield National Monument, Montana, USA
Western rattlesnake (Crotalus viridis) coiled on path, Little Bighorn Battlefield National Monument, Montana, USA
Sweat bee on wildflower, Pigeon Butte RNA, William L. FInley National Wildlife Refuge, Oregon, USA
Sweat bee on wildflower, Pigeon Butte RNA, William L. FInley National Wildlife Refuge, Oregon, USA
Christmas anemone (Urticina crassicornis), Martin Creek Beach intertidal area, Trinidad, California, USA
Christmas anemone (Urticina crassicornis), Martin Creek Beach intertidal area, Trinidad, California, USA
Double-crested cormorants (Phalacrocorax auritus) on river pilings, Pend Oreille River, Washington, USA
Double-crested cormorants (Phalacrocorax auritus) on river pilings, Pend Oreille River, Washington, USA
Red-spotted Garter snakes (Thamnophis sirtalis concinnus), William L. Finley National Wildlife Refuge, Oregon, USA
Red-spotted Garter snakes (Thamnophis sirtalis concinnus), William L. Finley National Wildlife Refuge, Oregon, USA
Sunflower sea star starfish (Pycnopodia helianthoides), Martin Creek Beach intertidal area, Trinidad, California, USA
Sunflower sea star starfish (Pycnopodia helianthoides), Martin Creek Beach intertidal area, Trinidad, California, USA
Hydaspe fritillary butterfly and Oceanspray, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Hydaspe fritillary butterfly and Oceanspray, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Western Gull (Larus occidentalis) in flight, East Anacapa Island, Channel Islands National Park, California, USA
Western Gull (Larus occidentalis) in flight, East Anacapa Island, Channel Islands National Park, California, USA
Flower crab spider with prey on pink flowering Pacific rhododendron, Myrtle Creek Botanical Trail, Six Rivers National Forest, California, USA
Flower crab spider with prey on pink flowering Pacific rhododendron, Myrtle Creek Botanical Trail, Six Rivers National Forest, California, USA
Ring-billed gull (Larus delawarensis) Klamath River, Klamath Falls, Oregon, USA
Ring-billed gull (Larus delawarensis) Klamath River, Klamath Falls, Oregon, USA
Whitetail Dragonfly (Libellula lydia), Pigeon Butte RNA, William L. FInley National Wildlife Refuge, Oregon, USA
Whitetail Dragonfly (Libellula lydia), Pigeon Butte RNA, William L. FInley National Wildlife Refuge, Oregon, USA
Yellow-headed blackbird (Xanthocephalus xanthocephalus), Agency Lake, Oregon, USA
Yellow-headed blackbird (Xanthocephalus xanthocephalus), Agency Lake, Oregon, USA
Horse (Equus ferus caballus), Livingston, Montana, USA
Horse (Equus ferus caballus), Livingston, Montana, USA
Banana slug (Ariolimax columbianus), on Skunk cabbage, Cathedral Trees Trail, Prairie Creek Redwoods State Park, California, USA
Banana slug (Ariolimax columbianus), on Skunk cabbage, Cathedral Trees Trail, Prairie Creek Redwoods State Park, California, USA
Silvery Blue (Glaucopsyche lygdamus) butterfly and Oregon iris (Iris tenax), Bald Top meadow, William L. FInley National Wildlife Refuge, Oregon, USA
Silvery Blue (Glaucopsyche lygdamus) butterfly and Oregon iris (Iris tenax), Bald Top meadow, William L. FInley National Wildlife Refuge, Oregon, USA
Roosevelt elk (Cervus canadensis roosevelti), Elk Meadow Day Use Area, Redwood National Park, California, USA
Roosevelt elk (Cervus canadensis roosevelti), Elk Meadow Day Use Area, Redwood National Park, California, USA
Townsend’s chipmunk (Neotamias townsendii) on lichen-covered basalt rock, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Townsend’s chipmunk (Neotamias townsendii) on lichen-covered basalt rock, Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Striped shore crab (Pachygrapsus crassipes), Martin Creek Beach intertidal area, Trinidad, California, USA
Striped shore crab (Pachygrapsus crassipes), Martin Creek Beach intertidal area, Trinidad, California, USA
Sleeping roost of Western Yellowjacket (Vespula pensylvanica) on wildflower, Carpenter Mountain, HJ Andrews Forest, Willamette National Forest, Oregon, USA
Sleeping roost of Western Yellowjacket (Vespula pensylvanica) on wildflower, Carpenter Mountain, HJ Andrews Forest, Willamette National Forest, Oregon, USA
American bison (Bos bison), buttes and prairie, Wyoming, BLM, USA
American bison (Bos bison), buttes and prairie, Wyoming, BLM, USA
Pacific blood star (Henricia leviuscula) starfish sea star, Martin Creek Beach intertidal area, Trinidad, California, USA
Pacific blood star (Henricia leviuscula) starfish sea star, Martin Creek Beach intertidal area, Trinidad, California, USA
American Pika (Ochotona daurica), Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
American Pika (Ochotona daurica), Carpenter Mountain, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Purple Sea Star starfish (Piaster ochraceus), Martin Creek Beach intertidal area, Trinidad, California, USA
Purple Sea Star starfish (Piaster ochraceus), Martin Creek Beach intertidal area, Trinidad, California, USA
Hoverfly and flowering Red columbine, Wood River Valley, Fort Klamath, Oregon, USA
Hoverfly and flowering Red columbine, Wood River Valley, Fort Klamath, Oregon, USA
Western scrub jay (Aphelocoma californica), Agency Lake, Oregon, USA
Western scrub jay (Aphelocoma californica), Agency Lake, Oregon, USA
Barred owl (Strix varia) perched on dead tree, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Barred owl (Strix varia) perched on dead tree, H.J. Andrews Forest, Willamette National Forest, Oregon, USA
Roosevelt elk (Cervus canadensis roosevelti), Elk Prairie, Prairie Creek Redwoods State Park, California, USA
Roosevelt elk (Cervus canadensis roosevelti), Elk Prairie, Prairie Creek Redwoods State Park, California, USA